28307530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 53913600

約数和(自身を除く): 25606070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 389, 766, 778, 1915, 1945, 3830, 3890, 7277, 7391, 14554, 14782, 36385, 36955, 72770, 73910, 148987, 297974, 744935, 1489870, 2830753, 5661506, 14153765, 28307530]

約数ペア:

[(1, 28307530), (2, 14153765), (5, 5661506), (10, 2830753), (19, 1489870), (38, 744935), (95, 297974), (190, 148987), (383, 73910), (389, 72770), (766, 36955), (778, 36385), (1915, 14782), (1945, 14554), (3830, 7391), (3890, 7277)]